Colors of hearing aids :

Channel of Hearing Aid :

From 1 channel to 48 channels aids are available in the market. Bernafon own Channel Free technology aids which works on principle of channel free technology.

Number of Microphone :

Normally hearing aid have single microphone. Now two to four numbers of microphones are available on selected models.

Price of Hearing Aid :

Depending on models, number of channels. number of microphone. multipurpose features. gain and fitting ranges of aids. And others are related to set hearing aid price for individual user. Contact hearing care professional for this matter or get details at http://www.calcuttahearing.com or at http://www.shrobonee.com

Features:

Various features like water resistance. dust proof. noise free. directional microphone. nano coating IP rated hearing aid etc are available in the market.